Semisynthetic Analogs of the Antibiotic Fidaxomicin—Design, Synthesis, and Biological Evaluation

Autor: Daniel Schäfle, Andrea Dorst, Peter Sander, Christoph G. W. Gertzen, Holger Gohlke, Karl Gademann, Regina Berg, Simon D. Schnell, Myriam Gwerder, Katja Zerbe
Rok vydání: 2020
Předmět:
Zdroj: ACS medicinal chemistry letters 11(12), 2414–2420 (2020). doi:10.1021/acsmedchemlett.0c00381
ACS Medicinal Chemistry Letters
ISSN: 1948-5875
DOI: 10.1021/acsmedchemlett.0c00381
Popis: The glycoslated macrocyclic antibiotic fidaxomicin (1, tiacumicin B, lipiarmycin A3) displays good to excellent activity against Gram-positive bacteria and was approved for the treatment of Clostridium difficile infections (CDI). Among the main limitations for this compound, its low water solubility impacts further clinical uses. We report on the synthesis of new fidaxomicin derivatives based on structural design and utilizing an operationally simple one-step protecting group-free preparative approach from the natural product. An increase in solubility of up to 25-fold with largely retained activity was observed. Furthermore, hybrid antibiotics were prepared that show improved antibiotic activities.
Databáze: OpenAIRE